The gas chamber (rather than intravenous injection) is widely used to kill dogs and cats in Japan. The Japanese government claims that the gas chamber enables animals euthanized. As a matter of fact, the reality is very different.

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Here is the process of culling:

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1. All dogs and cats will be killed in the shelter within 7 days unless new foster-parents do not adopt them.

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2. Kittens will be killed within 2 to 3 days because caretakers must feed them every 3 hours. Taking care of little cats is much more laborious than mature cats.

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3. In the gas chamber, carbon monoxide (CO) is used to suffocate dogs and cats.

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4. All dogs and cats writhe in agony for 15 to 20 minutes and are chocked to death.

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5. Some dogs and cats survived in the gas chamber. However, they and dead animals are immediately sent to the incinerator.

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6. The ashes of dogs and cats are discarded in the garbage dump.

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7. Some dogs and cats are sent to science laboratory for experiment.

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